open source software Tag Index

Red Hat Aims for Linux Standards for ARM Servers

The company launches a partner program with ARM, AMD and others to develop a common platform for servers powered by ARM-based chips.


Tags: Linux, Intel, Red Hat, x86 servers, open source software, servers, AMD, IT infrastructure, mobile devices, Cavium, SoC, ARM processors, Applied Micro

Puppet Configures OpenStack

Open source cloud platform now has open source configuration options.


Tags: cloud computing, Cloud, open source software, Puppet, Puppet Labs, infrastructure management

Puppet Enterprise 2.5 Takes Aim at Infrastructure

The latest release of Puppet goes beyond simple server and application configuration.


Tags: open source software, Puppet, infrastructure management

13 Free Network and DNS Tools

These 13  free network and DNS tools will go a long way toward helping you administer, troubleshoot, manage and secure your network.


Tags: open source, networking, open source software, DNS

4 Mobile Management Solutions to Keep Your Enterprise Secure and in Sync

As mobile devices in the enterprise grow by leaps and bounds, enterprises' ability to remotely manage them, including enforcing security policies and keeping data in sync, becomes ever more important. Here are four solutions to help resolve this growing data center dilemma.


Tags: security, email, mobile, open source software, mobile device, mobile device management, Zimbra

HP's OpenStack Cloud Goes Into Private Beta

OpenStack ecosystem continues to grow, but how do you move data across different OpenStack vendors?


Tags: HP, open source software, Rackspace, OpenStack

Boost WordPress Performance With W3 Total Cache

Is your hardware inadequate for your site? Throwing more resources at it may not be the best answer. For WordPress sites, W3 Total Cache is an inexpensive way to wring the most out of what you already have.


Tags: Wordpress, cache, open source software, open source tool, tip of the trade

'We Don't Get the Credit We Deserve'

SUSE exec explains how the company has changed since being spun out from Novell.
Tags: Linux, open source software, Novell, SUSE, Attachmate

AppFog Expands Beyond PHP Servers in the Cloud

Startup formerly known as PHP Fog receives new funding as it expands into the PaaS server space.
Tags: PHP, cloud computing, open source software, PaaS, AppFog

Rename and Copy Files Easily in Your Text Editor

Renameutils is aptly named. The easy-to-use collection of utilities makes renaming files as easy as using your favorite text editor.
Tags: open source software, open source tool, utility, tip of the trade, text editor

Try collectlfor System Monitoring

When it comes to collecting system status data, sar is a veritable workhorse. It is not, however, without its limitations. If you're in the market for a utility that also handles NFS, Slab data, and sub-second intervals, consider collectl.
Tags: open source software, tip of the trade, monitoring software, Data Center Management Software

Dell Launches OpenStack Cloud Platform Solution

Dell set to offer commercial support for OpenStack Cloud solution and announces new open source Crowbar for installation.
Tags: cloud computing, Ubuntu, Dell, open source software, OpenStack

Monitor Progress with Pipe Viewer

For sys admins, running a process can feel like driving cross-country without a road map. Pipe Viewer is one way to answer the question, 'are we there yet?'
Tags: Linux, Ubuntu, Debian, open source software, system administration

Oracle Improves VirtualBox 4.1

New virtualization release includes cloning and tunneling features, as Oracle pushes open source technology forward.
Tags: Oracle, open source software, server virtualization, VDI, virtualbox

Recover and Preserve Data With GNU ddrescue

With GNU ddrescue you need never worry about the impact of optical media degradation on your data.
Tags: open source software, data protection, data managment, GNU, disk storage

WS02 Brings Middleware to the Cloud

Open source Stratos 1.5 platform delivers Complex Event Processing as a service.
Tags: cloud computing, middleware, open source software, WSO2

Whip Up Regular Expressions With Txt2regex

Understanding regular expressions is important for anyone who spends time doing system administration or programming. If that describes you and regexes are not your strong suit, txt2regex is an excellent tool to have handy.
Tags: open source software, open source tool, tip of the trade

Load Testing and Benchmarking With Siege

Ready to roll out a site, but not sure how it will perform in real-world use? Consider Siege, an open source load-testing and benchmarking utility that will help stress test your setup before exposing it to the world.
Tags: testing tool, open source software, Linux server, tip of the trade, benchmark

WS02 Updates Middleware Servers

Moving messages from .NET to Java platforms get easier with new middleware messaging engine.
Tags: open source, middleware, open source software, WSO2, CEP

5 Tips for Managing RPMs

Fedora or RHEL users working with RPMs will find these 5 little-known features to be of great value.
Tags: open source software, open source tool, Fedora, RHEL, tip of the trade

Apache Traffic Server 3.0 Accelerates Performance

New release of open source proxy caching server promises a nearly threefold improvement in requests per second.
Tags: cache, Apache, open source software, proxy, traffic server

5 Tips for Managing Debian Packages

Debian's package tools makes it easy to install and manage packages. For more complex tasks, however, tools are not as well-advertised. Here are five options worth checking out.
Tags: Debian, open source software, tool

Detach Processes With Disown and Nohup

Have a long-running job you want to "detach" from the terminal? Don't use tmux or Screen? If you haven't started the job yet, nohup is an easy to use option, and if you must stop a job in the middle, there's disown.
Tags: Linux, open source software, tip of the trade, screen

Apache Updates HTTP Web Server for Security and the Future

Apache updates the world's most popular web server with a security update and a beta for the next generation of HTTP.
Tags: security, Apache, open source software, web server, HTTP

DenyHosts: Keep on Knocking but You Can't Come In

DenyHosts makes it easy to ward off unauthorized SSH connection attempts. The utility blocks attempts to connect to your server via SSH after too many failed attempts or from a blacklisted host.
Tags: security, open source software, tip of the trade, SSH

5 Reasons to Engage the Open Virtualization Alliance

Connect to this list of heavy hitters in your push toward KVM-based virtualization on any scale.
Tags: open source, Red Hat, HP, open source software, open virtualization alliance

Discover Rootkits With Unhide

When your system is rooted, you can't trust most utilities to show processes from the rootkit. To identify the problem, check out unhide and unhide.rb.
Tags: security, open source software, open source tool, tip of the trade, rootkit

Track Multiple Files Simultaneously With MultiTail

The tail utility is one of the most useful admin tools, but it's limited and outdated. Bring your log-watching capabilities into the 21st century and view multiple logs at one time with MultiTail.
Tags: open source software, open source tool, tip of the trade

Simplify Perl Module Management With CPAN Minus

Perl may not be glamorous, but its modules are often hard to avoid. Oftentimes, the standard CPAN shell makes using them more difficult than it needs to be. If that's the case for you, consider switching to CPAN Minus.
Tags: open source software, tip of the trade, perl

Get More Out of Git: Use Gist With Vim

If you use git to collaborate, you probably also know about Gist, a Pastebin-type service from Github. But did you also know, that if you're a Vim user you can get even more out of it with the script Gist.vim?
Tags: git, collaboration, open source software, vim

OpenStack Cactus Advances Open Source Cloud Computing

OpenStack expands with new API to create extensions.
Tags: cloud computing, open source software, Rackspace, OpenStack

VMware Launches Open Source Cloud Foundry

New open source efforts from VMware aims to open up a platform-as-a-service offering enabling multi-cloud deployments.
Tags: cloud computing, Apache, open source software, VMware

Pretty Python Plotting With CairoPlot

Data aficionados constantly on the lookout for better ways to display charts and graphs will appreciate CairoPlot, Python-based plotting software pretty enough to impress even the most jaded Mac user.
Tags: open source, Python, open source software

Scientific Linux 6.0 Released

Linux adoption in the scientific community is very high. For the many organizations that want Red Hat Enterprise Linux 6.0 but don't want to pay for it or wait for the next release of CentOS, Scientific Linux is worth a look.
Tags: Linux, Python, CentOS, open source software, Red Hat Enterprise Linux

Use Linux and WebDAV to Facilitate Online Collaboration

There are many options for online collaboration, but WebDAV remains a useful and straightforward way to share files. Software support at both the server and client ends sweetens the deal further.
Tags: Linux, Apache, Ubuntu, Debian, open source software

Get Hands-on With Tmux

If you need to manage multiple sessions in the same terminal, consider Tmux, a handy "terminal multiplexer." This week, we take a look at its basic usage and configuration.
Tags: open source software, screen

Introduction to tmux: A GNU Screen Alternative

Need to run multiple sessions in the same terminal but aren't fond of screen? Consider tmux, open source software that offers Emacs and vi-style keybindings.
Tags: open source software, open source tool, tip of the trade, screen, GNU

Red Hat Fights Back

These days, open source software is not just about peace, love and digital freedom; it's also about turning a profit. Red Hat, clearly tired of the other Linux vendors using its Linux server OS as a foundation for their services, is changing its rules with the latest release of RHEL.
Tags: Red Hat, open source software, RHEL, server os

Start Taming Your Mutt

Mutts can be lovable companions, but they still must be trained. The same is true of the Mutt mail client. Out of the proverbial box it's a powerful mail client, but that's nothing compared to what you can do with a well-trained Mutt.
Tags: Linux, open source software, tip of the trade, mail server, mutt

Sudo 1.8 Brings Pluggable Policies to Root Access Control

If Sudo is part of your toolkit, and it should be, it's time to upgrade and start taking advantage of the new features in this latest version.
Tags: open source software, tip of the trade, sudo, policy management

Use Zenity to GUI-Up Scripts

Not everyone is comfortable with a command-line interface. If you're writing scripts for users who prefer to work from a GUI, check out Zenity, a GNOME utility that provides simple GUI dialogs from a shell script.
Tags: command line, open source software, open source tool, GUI, script

A User's-Eye View of Open-Xchange

Making a break from Microsoft Exchange? The groupware suite Open-Xchange looks good from a licensing and cost perspective, but how does it stack up from an end-user perspective?
Tags: Linux, open source software, mail server, Exchange server, Open-Xchange

Use Logger to Write Messages to Log Files

Want a quick and easy way to write to system logs? Check out logger, an shell utility that works with syslog. Don't let its ease of use cause you to overlook its value.
Tags: open source, Linux, open source software, Red Hat Enterprise Linux, log management

VMware Updates Zimbra

The first release of the open source Zimbra email collaboration software since leaving Yahoo debuts. What's new and what's different about VMware's spin on the popular open source software?
Tags: virtualization, open source software, VMware, mail server, Zimbra

Setting Up Linux Cgroups

Initially developed to limit resource usage in the Linux kernel, cgroups can do much more than that. Unfortunately, as handy as they are, cgroups are neither straightforward nor user friendly. Scaling the learning curve to set up and manage them is well worth it, however. These basic tips will get you started.
Tags: Linux, open source software, open source tool, tip of the trade, server os

Introduction to Linux Cgroups

Cgrpoups is a feature initially developed to limit resource usage in the Linux kernel. But it can do much more, including tweak memory, bandwidth and CPU usage of system processes as well as deny access to system resources.
Tags: Linux, open source software, Ubuntu Server, Linux kernel

NASA Tech Gets Open Source Apache Blessing

The OODT (Object-Oriented Data Technology) project hits top-level status -- could it usher in a new era of open source semantic middleware?
Tags: Apache, open source software, Apache Software Foundation, NASA

Cisco, Cloud Computing and Open Source Software

What do Cisco, the cloud and open source software have in common? Much more than you might think.
Tags: cloud computing, Cisco, open source software, UCS, Rackspace Cloud

Does CPTN Spell the End for Open Source Software?

As part of the sale of Novell to Attachmate, Microsoft, Apple, Oracle and EMC have done the unlikely: They've joined together under the CPTN banner to acquire more than 800 patents. Is the OSI right to be concerned that this could be the beginning of the end?
Tags: Microsoft, open source software, Unix, OSI, Attachmate

More Yum Plugins: Security and Package Priority

Yum Plugins make it easy to extend the open source tool's functionality. The security plugin and the priorities plugins are a great place to start.
Tags: open source, security, open source software, open source tool, tip of the trade

Managing Yum Plugins

Yum is one of the most widely used package management tools, but many users don't know that Yum has a plugin system to extend its capabilities. Learn how to add some very useful features by extending this open source tool.
Tags: Linux, open source software, open source tool, Fedora, tip of the trade

Two Open Source Software Alternatives to Cron

Looking to avoid Cron? Hcron and the at utility are two tools that make it easy to bypass Cron in favor of other open source software alternatives.
Tags: Linux, open source software, open source tool, tip of the trade, cron

Apache Tomcat Gets New Support with WSO2 Application Server 4.0

What do you get when you cross web services and web applications? A new web services integrated app serving platform.
Tags: open source software, apache web server, Tomcat, Apache server, application server

Using Powertop to Lower System Power Usage

If you've been wondering what's sucking the life out of your Linux laptop's battery or driving those higher electric bills in the server room, be sure to check out Powertop. The popular Linux tool profiles systems to help determine which programs are using the most power.
Tags: open source, open source tools, open source software, power management, tip of the trade

Absolutely Essential Vim/vi Commands

When it comes to remote system administration, all roads lead to Vim. While Vim's capabilities are vast -- entire books have been written about it, and they still fail to capture all of its functionality -- knowing a handful of commands will enable you to do much of what you need to do.
Tags: command line, open source software, tip of the trade, vim, open source servers

Using Strace to Trace Problems

If you're having trouble figuring out why a program keeps crashing and burning, consider Strace, an easy-to-use diagnostic tool. More experienced users will find Strace handy for performance testing and more.
Tags: open source tools, open source software, OS, utility, tip of the trade

OpenStack Delivers First Release of Cloud Computing Tech

An effort originally started by NASA and Rackspace three months ago is now releasing production-ready code as outside contributions pour in.
Tags: open source, cloud computing, open source software, Rackspace, NASA

Linux Gaining Share at Windows' Expense

New Linux Foundation Enterprise User Survey data reveals that enterprises are set to add more Linux at the expense of Windows during next five years, though users are not heading to the cloud.
Tags: cloud computing, Windows, open source software, Linux server, open source servers

Meet Open Source Server Messaging Needs With GroupServer

Need both mailing list and forum software but don't want to chose one over the other? Consider this open source server hybrid.
Tags: open source software, tip of the trade, mail server, forums, messaging server

Getting Started With Apache Tomcat 7

Apache Tomcat is open source software that implements Java Servlet and JavaServer Pages, enabling sites to run Java servlets and Java-based dynamic content. Version 7.0.2 is in a mature beta, but is it data center ready?
Tags: Apache, open source tools, open source software, Apache Software Foundation, Tomcat

Byobu: Like Screen, but Better

Enhance Screen on your screen with Byobu, open source software that makes Screen more user friendly and functional.
Tags: Debian, open source software, tip of the trade, Ubuntu Server, screen

Open Source Software Shortcut -- Escaping SSH With '~'

SSH's escape character may be one of its best kept secrets. Using '~' can suspend a session as well as a host of other escape sequences. Learn how to get the most out of these open source software shortcuts.
Tags: open source, open source software, OS, SSH, escape characters

PuTTY in Your Hands: Open Source Software Mail Solutions

Mutt and PuTTY are a great open source combo for managing mail, but they're not without their failings. Here's a quick tip for using PuTTY to fix problems with line-drawn characters in Mutt.
Tags: open source, open source software, OS, mail server

Open Source Windows SSH Client Delivers Security Boost

The Windows SSH client, PuTTY, is incredibly useful and becomes even more so when set up with a private/public keypair.
Tags: Windows, security, open source software, tip of the trade, SSH

Gnome-do: Open Source Software App Launcher

Gnome-do is an open source software solution to getting things done. The Gnome application launcher enables users to specify particular actions to take on whatever file or application they wish.
Tags: Linux desktop, Gnome, open source software, OS, tip of the trade

Identifying Disk Space

When disks fill up, strange errors occur. Determine if and where you have a disk space shortage, and learn how to resolve it.
Tags: open source software, disk, tip of the trade, disk space

Single vs. Double Quotes in Bash

When using Bash, the decision to use single quotes or double quotes depends on exactly what you want to do. Find out what each does and when to use them.
Tags: open source, open source software, OS, tip of the trade, bash

Ubuntu 10.10 Multitouch

Shuttleworth says Ubuntu’s implementation is more sophisticated than what Apple uses on the iPhone.
Tags: Ubuntu, open source software

MongoDB Update Includes Auto-Sharding Feature

A new feature of the open source software project lets you spread a large data set across many servers.
Tags: MongoDB, open source software

Open Source Software Soaring to Success

A recent Accenture survey finds almost 40 percent of respondents planning to migrate mission-critical workloads to open source software within the next year. Will open source software overtake proprietary apps, and is there room for both in the marketplace?
Tags: Microsoft, open source software, commercial software, Accenture, software development

Survey: 98% Enterprise Respondents Use Open Source Software

The survey also indicated that most had a satisfaction level between 7 and 8 out of ten with open source software.
Tags: open source software, Enterprise, open source servers

Open Source Software Projects That Changed the World

From open source software to projects there have been a number of releases that literally have changed the world.
Tags: open source, open source server, open source software, open source servers

Open Source Software Scripting in Vim

Get even more out of the open source software editor, Vim, by taking advantage of its scripting capabilities.
Tags: open source software, tip of the trade, vim, scripting

Getting Started With Squid Proxy Server 3.1

Untangling the many tentacles of this popular proxy server is well worth the effort.
Tags: open source software, proxy, open source servers, proxy server, squid

GoGrid Launches Open Source Software Partner Program

The GoGrid platform lets open source companies deliver offerings as Software-as-a-Service (SaaS) or Platform-as-a-Service (PaaS).
Tags: open source software